(97) باب الْبِنَاءِ عَلَى الْقَبْرِ
Jabir said:
"The Messenger of Allah forbade plastering over graves, building over them or sitting on them."
Reference: Sunan an-Nasa'i 2028
In-book reference: Book 21, Hadith 212
English translation: Vol. 3, Book 21, Hadith 2030